Question

Find the area of a triangle when A=40, b=14, c=9

a. 18.5
b. 40.5
c. 27.9
d.26.3

Answer 1

b. 40.5

Explanation:

The appropriate formula for the area is ...

area = (1/2)bc·sin(A) = 63·sin(40°) ≈ 40.5 . . . . square units